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Our goal : organizing the exchange of information on thermal spraying at the European level.

ETSA is managed by the Board of Delegates, composed of twelve members elected in a secret vote by the College of Members during the assembly general for four years. They can be re-elected. Members by right: the national representatives of the European countries (one representative per country being active in thermal spraying) are proposed by the national members of the association and accepted by the elected members of the Board of Delegates for four years.

Board of Delegates represents key European universities, research centers and companies involved in thermal spraying, performing research and producing feedstock, equipments and coatings on European and international level. The institutions represented by the delegates gather together hundreds of scientists and engineers dedicated to R&D activities dedicated to base research, applied research, equipment and application development , problem solving in the field of thermal spraying, materials science and engineering...

Workshop in Plzen on 10 and 11 April 2018


Workshop in Plzen on 10 and 11 April 2018

The workshop on thermal spray coatings technologies and characterization was held in Pilsen in Czech Republic on 10 to 11 April 2018. The workshop was focused on the evolution of thermal barrier coatings (TBC) with emerging spray technologies and was organized by a team managed by Dr. Sarka Houdkova, the vice-president of ETSA.

29 participants of workshop came from Austria, China, Czech Republic, Germany and Poland.  The presentations were given by 11 lecturers from European academia and industry.

The first day presentations were initiated by Prof. L. Pawłowski (University of Limoges, France) who introduced the topic of TBC manufacturing by thermal spraying with solid and liquid feedstock (solution and suspensions). Prof. N. Markocsan (West University in Trollhättan, Sweden) developed the technology and properties of TBCs obtained using axial suspension plasma spraying (SPS). Dr G. Mauer (FZ Jülich, Germany) spoke about emerging technologies such as High Velocity-Atmospheric Plasma Spraying (HV-APS) used to spray bond coatings and two technologies enabling obtaining thermal insulating coating having columnar microstructure, namely SPS, and Plasma Spray – Physical Vapor Deposition (PS-PVD). Dr. R. Musalek (IPP in Prague, Czech Republic) described another emerging technology of Hybrid Water-Stabilized Plasma (WSP-H) which may be used to TBCs manufacturing. The technology was developed in the cold war period, in the 1960-ties, when the conventional gas stabilized plasma spray installations were not available for coatings manufactures in Central European countries. Dr. N. Curry (Treibacher in Althofen, Austria) spoke about industrial evolution of suspension for thermal spraying being more and more attractive for the customers. The coating efficiency when spraying suspension became comparable to that obtained while spraying solid powders. Dr. B. Gries (H.C. Starck in Goslar, Germany) analyzed the problems which may occur at spraying and using of TBCs including insulating coating transformation by high temperature sintering. The evening of the first day finished in nice and traditional restaurant serving excellent Pilsen’s beer.

The second day presentations were initiated by Dr. G. Szyndelman (Oerlikon, Wohlen, Switzerland) who spoke about ceramic abradable coating for high pressure sections of turbines made of yttria or dysprosia stabilized zirconia. Dr. T. Grund, (TU Chemnitz, Germany) took over by presenting PVD interlayer of Al inserted between insulating part and bond coat part of TBC. The layer which transforms at the service in thermally grown oxide (TGO) of alumina which improved the cracking resistance and thermal shock resistance of TBCs. A dynamic talk about TBCs characterization was given by Dr. K. Dočekalova (Honeywell, Brno, Czech Republic). The appropriate characterization should enable  the correct service of TBCs during their entire lifetime. Prof. P. Bison (CNR in Padova, Italy) developed an important topic of measuring thermophysical properties of TBCs using photothermal methods such as laser flash and infra-red thermography. The last talk of the meeting was given by Dr. M. Honner (University of West Bohemia in Pilsen, Czech Republic). The lecturer developed the topic of optical properties of TBCs, especially in infrared part of spectrum. Dr. Honner underlined the research capacity of his laboratory and its wish to collaborate with other laboratories.

The meeting finished by a tour in small breweries in Pilsen. Finally, the interested participants could have visited the Institute of Plasma Physics in Prague organized on 12 April.

 

Lech Pawłowski

President of ETSA

Limoges, the 18 April, 2018

 

Why become member ?


The website of the European Thermal Spray Association provides the useful information to all colleagues interested in thermal spraying in the large societies, job shops, or university laboratories. The ETSA members have access to the additional services such as job proposition, information about services related to thermal spraying in different European countries, forum of users which enbles research of missing information related to thermal spraying and much more.

The ETSA membership enables also a reduction in the fees of the events organized by the association.

We invite you to join ETSA!